chore(deps): update docker/build-push-action action to v6 (#79)

Co-authored-by: Renovate Bot <[email protected]>

.github/workflows/build-docker.yaml

@@ -46,7 +46,7 @@ jobs:
 
       - name: Build and push Docker image
         id: build
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           push: ${{ github.repository_owner == 'one-zero-eight' && 'true' || 'false' }}